Seiko Cal. 5231 - 355

The Seiko 5231-355 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-c677155af5ae]

Also known as: Panda, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1975

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