Seiko Cal. 4577 - 362

The 4577-362 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4577 caliber with 17j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-c0a727ead71a]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1988

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