Seiko Cal. 7181 - 544

This Spring Drive model from 1996 features a 41mm Stainless Steel case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-52cac9bb6b12]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1996

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