Seiko Cal. 6243 - 313

This Spring Drive model from 1974 features a 45mm Titanium case. With its 19mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-09be1ae19ce3]

Also known as: Turtle, Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1974

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