Seiko Cal. 5231 - 974

Released in 1977, the Cal. 5231 with design code 974 was part of Seiko's domestic market collection. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-e0bb8fe25e30]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1977

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