Seiko Cal. 4488 - 337

Seiko 4488-337

The 4488-337 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4488 caliber with 22j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-cc5dcabeb5c3]

Also known as: Monster, Sumo

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
44mm
Case Thickness
14.5mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
White
Jewels
22j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1978

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