Seiko Cal. 3844 - 954

This Spring Drive model from 1971 features a 45mm Hardlex-Coated Steel case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-aa5ac3076184]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1971

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