Seiko Cal. 6121 - 306

This Spring Drive model from 1966 features a 40mm Titanium case. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-8f8bfd46467c]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1966

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