Seiko Cal. 4550 - 157

The Seiko 4550-157 represents an important milestone in Seiko's 1991 lineup. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-444a31241379]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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