Seiko Cal. 4539 - 418

The 4539-418 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4539 caliber with 32j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-5db15917c25c]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1985

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