Seiko Cal. 6174 - 687

This Quartz model from 1972 features a 37mm Hardlex-Coated Steel case. Powered by the 6174 caliber with 28j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-3673a002b0d7]

Also known as: Tuna, Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1972

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