Seiko Cal. 6631 - 330

The Seiko 6631-330 represents an important milestone in Seiko's 1990 lineup. With its 18mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-cb8ed706336a]

Also known as: World Timer, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1990

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