Seiko Cal. 6646 - 386

Seiko 6646-386

This Automatic model from 1969 features a 34mm Titanium case. Powered by the 6646 caliber with 23j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-38048beba0b2]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
34mm
Case Thickness
12.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Green
Jewels
23j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1969

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