Seiko Cal. 4440 - 976

This Spring Drive model from 1989 features a 46mm Titanium case. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-6f0f670d963e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1989

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