Seiko Cal. 6181 - 234

The Seiko 6181-234 represents an important milestone in Seiko's 1983 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4cdc6a93dbd7]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1983

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