Seiko Cal. 6633 - 492

The Seiko 6633-492 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-b28d9a389998]

Also known as: Sumo, Bellmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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