Seiko Cal. 6238 - 636

This Hand-Winding model from 1977 features a 46mm PVD Black case. Powered by the 6238 caliber with 19j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-6b332c507df3]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1977

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