Seiko Cal. 5688 - 592

The 5688-592 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-0bdac6ee82fe]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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