Seiko Cal. 7164 - 400

This Spring Drive model from 1965 features a 40mm Two-Tone case. Powered by the 7164 caliber with 24j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-c22dcdc0b1f6]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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