Seiko Cal. 4451 - 780

The Seiko 4451-780 represents an important milestone in Seiko's 1977 lineup. Powered by the 4451 caliber with 30j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-3a1c1de1a104]

Also known as: Sea Horse, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1977

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