Seiko Cal. 4546 - 871

The 4546-871 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4546 caliber with 36j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-c758df662a55]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1977

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