Seiko Cal. 6630 - 488

The Seiko 6630-488 represents an important milestone in Seiko's 1991 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-f669576f78e6]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1991

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