Seiko Cal. 5621 - 550

The Seiko 5621-550 represents an important milestone in Seiko's 1992 lineup. Powered by the 5621 caliber with 18j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-9b6e5e857446]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1992

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