Seiko Cal. 4497 - 633

The Seiko 4497-633 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-a226ef0b7926]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1966

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