Seiko Cal. 6631 - 288

The Seiko 6631-288 represents an important milestone in Seiko's 1996 lineup. It features a White dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-502cff0a5d57]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1996

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