Seiko Cal. 6631 - 711

Seiko 6631-711

The Seiko 6631-711 represents an important milestone in Seiko's 1998 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-bafcead338f2]

Also known as: Monster, Silverwave

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1998

Related Models

seikata-wm-bafcead338f2