Seiko Cal. 4437 - 610

The Seiko 4437-610 represents an important milestone in Seiko's 1985 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-fe3c9e65fa99]

Also known as: Sumo, Pogue

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1985

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