Seiko Cal. 6371 - 907

This Hand-Winding model from 1966 features a 43mm Titanium case. Powered by the 6371 caliber with 35j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-83b898070750]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1966

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