Seiko Cal. 4541 - 451

This Hand-Winding model from 1981 features a 35mm Gold-Plated case. Powered by the 4541 caliber with 36j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-70fb7030fe20]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1981

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