Seiko Cal. 7149 - 423

This Spring Drive model from 1971 features a 36mm Two-Tone case. Powered by the 7149 caliber with 20j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-bbce98a4d007]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1971

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