Seiko Cal. 5681 - 592

The 5681-592 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-768dc2ad3866]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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