Seiko Cal. 5687 - 828

The 5687-828 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ac6043772de8]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1974

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