Seiko Cal. 6623 - 357

The Seiko 6623-357 represents an important milestone in Seiko's 1987 lineup. Powered by the 6623 caliber with 18j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-0c43e7cd4200]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1987

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