Seiko Cal. 7123 - 159

This Spring Drive model from 1975 features a 45mm Hardlex-Coated Steel case. Powered by the 7123 caliber with 24j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-2dcb6134e662]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1975

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