Seiko Cal. 6623 - 976

This Hand-Winding model from 1986 features a 34mm Hardlex-Coated Steel case. Powered by the 6623 caliber with 34j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-ce6b5e05b610]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1986

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