Seiko Cal. 4598 - 355

The 4598-355 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4598 caliber with 26j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-c200b5de8b9d]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

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