Seiko Cal. 0723 - 657

The Seiko 0723-657 represents an important milestone in Seiko's 1982 lineup. Powered by the 0723 caliber with 34j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-840dfd20ef77]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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