Seiko Cal. 6184 - 644

Seiko 6184-644

The 6184-644 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6184 caliber with 23j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-5c4bc2d1af0d]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Cream
Jewels
23j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1978

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