Seiko Cal. 4539 - 642

The 4539-642 is a sought-after Solar piece from Seiko's golden era. Powered by the 4539 caliber with 32j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-d30bd29effe8]

Also known as: World Timer, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1991

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