Seiko Cal. 5612 - 356

This Spring Drive model from 1978 features a 44mm Titanium case. With its 20mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-872fc67087ec]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1978

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