Seiko Cal. 4437 - 144

Seiko 4437-144

The 4437-144 is a sought-after Solar piece from Seiko's golden era. Powered by the 4437 caliber with 19j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-4f66dfc03d7b]

Also known as: Tuna, Pogue

Specifications

Movement
Solar
Case Material
Titanium
Case Width
35mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Navy
Jewels
19j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1974

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