Seiko Cal. 4437 - 810

The 4437-810 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-60bb65cd6131]

Also known as: UFO, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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