Seiko Cal. 6231 - 322

The Seiko 6231-322 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-4f11776cd1ec]

Also known as: Tuna, Sea Horse

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1975

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