Seiko Cal. 4539 - 663

The 4539-663 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4539 caliber with 33j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-3a6e6be6bbf7]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1999

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