Seiko Cal. 6646 - 877

Seiko 6646-877

This Automatic model from 1988 features a 39mm Stainless Steel case. Powered by the 6646 caliber with 35j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-929122df59a8]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Cream
Jewels
35j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1988

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