Seiko Cal. 6231 - 490

The Seiko 6231-490 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-6fc4f98b218b]

Also known as: Shogun, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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