Seiko Cal. 4428 - 452

The Seiko 4428-452 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-8cc0cb6fdfef]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1970

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