Seiko Cal. 6638 - 381

This Kinetic model from 1988 features a 34mm PVD Black case. Powered by the 6638 caliber with 33j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-ead03031edc6]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1988

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