Seiko Cal. 5231 - 662

The Seiko 5231-662 represents an important milestone in Seiko's 1985 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-652463d0600c]

Also known as: Tuna, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1985

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