Seiko Cal. 4539 - 781

This Spring Drive model from 1979 features a 36mm Gold-Plated case. Powered by the 4539 caliber with 30j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-7905f7e5fe31]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1979

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