Seiko Cal. 0721 - 544

The Seiko 0721-544 represents an important milestone in Seiko's 1980 lineup. Powered by the 0721 caliber with 25j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-06b6508ddc44]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1980

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