Seiko Cal. 6397 - 739

This Quartz model from 1978 features a 37mm Titanium case. Powered by the 6397 caliber with 19j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-4a20270ddaf2]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1978

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