Seiko Cal. 6646 - 816

Seiko 6646-816

This Quartz model from 1975 features a 34mm Hardlex-Coated Steel case. With its 18mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-c41661870b59]

Also known as: Samurai, UFO

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.7mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
170m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1975

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seikata-wm-c41661870b59