Seiko Cal. 4523 - 563

This Hand-Winding model from 1966 features a 37mm Two-Tone case. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-3fa425db7d3b]

Also known as: Turtle, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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