Seiko Cal. 5690 - 856

The 5690-856 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-f908379f3337]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

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