Seiko Cal. 4523 - 917

This Automatic model from 1966 features a 42mm Two-Tone case. Powered by the 4523 caliber with 33j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-ab010cea1cd0]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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