Seiko Cal. 4541 - 764

This Spring Drive model from 1977 features a 46mm Gold-Plated case. Powered by the 4541 caliber with 27j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-75b83d802c93]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1977

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