Seiko Cal. 4539 - 762

The 4539-762 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4539 caliber with 17j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-af6b73046089]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1967

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