Seiko Cal. 5644 - 473

Seiko 5644-473

The Seiko 5644-473 represents an important milestone in Seiko's 1967 lineup. Powered by the 5644 caliber with 24j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-0d99dadbf960]

Also known as: Monster

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
8.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
24j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1967

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