Seiko Cal. 6313 - 727

This Spring Drive model from 1983 features a 37mm Titanium case. Powered by the 6313 caliber with 34j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-256c81a00bf0]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1983

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