Seiko Cal. 4437 - 989

Seiko 4437-989

The 4437-989 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-427e499dc374]

Also known as: Sumo, UFO

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
46mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Cream
Jewels
20j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1989

Related Models

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