Seiko Cal. 5623 - 262

This Hand-Winding model from 1987 features a 37mm Hardlex-Coated Steel case. Powered by the 5623 caliber with 18j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-74db910f1190]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1987

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