Seiko Cal. 6630 - 243

The Seiko 6630-243 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-c5b6cae1e406]

Also known as: Sea Horse, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1980

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