Seiko Cal. 4446 - 437

This Spring Drive model from 1985 features a 37mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-42e112c990b9]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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