Seiko Cal. 5231 - 736

The Seiko 5231-736 represents an important milestone in Seiko's 1981 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-9868f9b1ac6c]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1981

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