Seiko Cal. 4453 - 550

This Spring Drive model from 1975 features a 36mm Hardlex-Coated Steel case. With its 19mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-feb0fbf59be1]

Also known as: Turtle, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1975

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