Seiko Cal. 5623 - 667

This Hand-Winding model from 1986 features a 34mm PVD Black case. Powered by the 5623 caliber with 28j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-7152e24fe53e]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1986

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