Seiko Cal. 6644 - 409

Seiko 6644-409

The Seiko 6644-409 represents an important milestone in Seiko's 1994 lineup. Powered by the 6644 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-b3791402c0bf]

Also known as: Monster, Emperor

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Burgundy
Jewels
31j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1994

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