Seiko Cal. 5644 - 311

This Automatic model from 1986 features a 36mm Stainless Steel case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-c4cbcca217b2]

Also known as: Samurai, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1986

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