Seiko Cal. 6691 - 612

Seiko 6691-612

This Automatic model from 1999 features a 41mm Hardlex-Coated Steel case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-4e121e6d959b]

Also known as: Bullhead, UFO

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
13.4mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
White
Jewels
23j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1999

Related Models

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