Seiko Cal. 4431 - 222

This Automatic model from 1970 features a 39mm Two-Tone case. Powered by the 4431 caliber with 35j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-27c60af42b8c]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1970

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