Seiko Cal. 5234 - 400

This Spring Drive model from 1979 features a 42mm Stainless Steel case. Powered by the 5234 caliber with 30j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-f9d531d5aed5]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1979

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