Seiko Cal. 6371 - 729

This Spring Drive model from 1995 features a 41mm Titanium case. Powered by the 6371 caliber with 36j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-bd09aa8f4188]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1995

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