Seiko Cal. 4437 - 401

Seiko 4437-401

The 4437-401 is a sought-after Solar piece from Seiko's golden era. Powered by the 4437 caliber with 19j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-2e3ce26bd461]

Also known as: Silverwave, Navigator

Specifications

Movement
Solar
Case Material
Titanium
Case Width
45mm
Case Thickness
15.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
150m
Dial Color
Green
Jewels
19j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1989

Related Models

seikata-wm-2e3ce26bd461