Seiko Cal. 6663 - 632

The 6663-632 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-7e795b410be3]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1966

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