Seiko Cal. 4446 - 510

This Hand-Winding model from 1990 features a 42mm Two-Tone case. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-bdcf8bb648c3]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1990

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