Seiko Cal. 4550 - 736

The Seiko 4550-736 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-2ad047657c2a]

Also known as: Tuna, Pogue

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1974

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