Seiko Cal. 6630 - 230

The Seiko 6630-230 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-d76eacaecd58]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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