Seiko Cal. 4515 - 134

This Spring Drive model from 1971 features a 36mm Two-Tone case. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-3a9dcd638180]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1971

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