Seiko Cal. 4531 - 746

This Automatic model from 1974 features a 40mm Stainless Steel case. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-a509f2b63591]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1974

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