Seiko Cal. 4451 - 285

The Seiko 4451-285 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-423f28305999]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1974

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