No. 13 · Seiko · Prospex · Diver's 300 m

SLA039

The 1968 Hi-Beat: A re-creation of Seiko's 1968 Hi-Beat 300 m diver, the one that took Seiko from sport diving to professional diving. One of 1,100.

44.8Case mm

300Water res. m

55Power res. h

1,100Made

Seiko SLA039 SLA039J1 watch — **Plate 13** · Seiko SLA039

Specifications
Ref	SLA039J1
Caliber	8L55, automatic, 37 jewels, 36,000 vph
Case	44.8 mm Ever-Brilliant steel, one-piece
Thickness	15.7 mm
Dial	Grey-blue gradient
Crystal	Sapphire
Water resistance	300 m
Power reserve	About 55 hours
Edition	1,100 pieces, 2020, 55th anniversary of Seiko divers