Seiko Cal. 6654 - 390

This Hand-Winding model from 1987 features a 42mm Hardlex-Coated Steel case. Powered by the 6654 caliber with 35j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-a5dbcc21e5e7]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1987

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