Seiko Cal. 6635 - 520

This Automatic model from 1990 features a 39mm Stainless Steel case. It features a Champagne dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-edf71a495b65]

Also known as: Turtle, Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1990

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