Seiko Cal. 4531 - 401

This Spring Drive model from 1978 features a 34mm Two-Tone case. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-0fd914b6e832]

Also known as: Turtle, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1978

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