Seiko Cal. 6633 - 435

The Seiko 6633-435 represents an important milestone in Seiko's 1974 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-886914c66007]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1974

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