Seiko Cal. 4437 - 700

The Seiko 4437-700 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-542a31496c10]

Also known as: Sumo, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1984

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