Seiko Cal. 4440 - 400

Seiko 4440-400

The 4440-400 is a sought-after Solar piece from Seiko's golden era. Powered by the 4440 caliber with 35j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-f7b3fab22209]

Also known as: Bullhead

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Champagne
Jewels
35j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1980

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seikata-wm-f7b3fab22209