Seiko Cal. 4421 - 327

The Seiko 4421-327 represents an important milestone in Seiko's 1965 lineup. It features a Cream dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-ed6dac808c1a]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1965

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