Seiko Cal. 4476 - 661

This Spring Drive model from 1993 features a 42mm Hardlex-Coated Steel case. Powered by the 4476 caliber with 21j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-a5bc09e97e69]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1993

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