Seiko Cal. 5685 - 171

This Spring Drive model from 1976 features a 42mm PVD Black case. It features a Burgundy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-98a186b4e15f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1976

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