Seiko Cal. 6231 - 712

The Seiko 6231-712 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-bb48b343e259]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1989

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