Seiko Cal. 6691 - 350

Seiko 6691-350

This Quartz model from 1997 features a 40mm Hardlex-Coated Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b11499aa4f29]

Also known as: Bullhead, Sea Horse

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1997

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