Seiko Cal. 6644 - 231

The Seiko 6644-231 represents an important milestone in Seiko's 1986 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-2cb87fb3af14]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1986

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