Seiko Cal. 6231 - 304

Released in 1973, the Cal. 6231 with design code 304 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-6a2ec5bef8c2]

Also known as: Sportsmatic, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1973

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