Seiko Cal. 4436 - 746

The Seiko 4436-746 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-db2c826b63b3]

Also known as: UFO, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1989

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