Seiko Cal. 4436 - 612

The Seiko 4436-612 represents an important milestone in Seiko's 1987 lineup. With its 20mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-9a4709c7de7d]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1987

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