Seiko Cal. 6235 - 571

This Spring Drive model from 1985 features a 40mm PVD Black case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-dd631018d317]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1985

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