Seiko Cal. 6231 - 908

The Seiko 6231-908 represents an important milestone in Seiko's 1972 lineup. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-24a8f11001f3]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1972

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