Seiko Cal. 6359 - 661

This Spring Drive model from 1985 features a 39mm Hardlex-Coated Steel case. Powered by the 6359 caliber with 19j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-737d4947a451]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1985

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