Seiko Cal. 4539 - 633

The 4539-633 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4539 caliber with 20j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-1d2135f7ce6a]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1998

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