Seiko Cal. 0723 - 173

This Hand-Winding model from 1980 features a 43mm Hardlex-Coated Steel case. Powered by the 0723 caliber with 35j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-db86703a657f]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1980

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