Seiko Cal. 6121 - 324

This Spring Drive model from 1967 features a 37mm Hardlex-Coated Steel case. Powered by the 6121 caliber with 31j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-d1a02e003a1c]

Also known as: Silverwave, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1967

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