Seiko Cal. 6171 - 793

This Hand-Winding model from 1985 features a 36mm Titanium case. Powered by the 6171 caliber with 25j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-8f9d795d647d]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1985

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