Seiko Cal. 4556 - 166

This Spring Drive model from 1987 features a 36mm PVD Black case. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-a548ce924ac9]

Also known as: Turtle, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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