Seiko Cal. 4421 - 996

The 4421-996 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-7ba6482ae778]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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