Seiko Cal. 4460 - 633

The Seiko 4460-633 represents an important milestone in Seiko's 1987 lineup. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-392271992045]

Also known as: Sportsmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1987

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