Seiko Cal. 6638 - 346

This Automatic model from 1986 features a 44mm Two-Tone case. Powered by the 6638 caliber with 36j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-d8c3335b8ef2]

Also known as: Samurai, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1986

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