Seiko Cal. 4539 - 769

The 4539-769 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4539 caliber with 18j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-f4318721b84a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1999

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