Seiko Cal. 6674 - 793

This Hand-Winding model from 1987 features a 43mm Titanium case. Powered by the 6674 caliber with 21j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-d25aa5eae6c8]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1987

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