Seiko Cal. 4438 - 541

This Hand-Winding model from 1977 features a 38mm Gold-Plated case. Powered by the 4438 caliber with 27j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-7c4cbff94c67]

Also known as: Helmet, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1977

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