Seiko Cal. 5621 - 336

Seiko 5621-336

The 5621-336 is a sought-after Solar piece from Seiko's golden era. Powered by the 5621 caliber with 21j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-575c20d04d7f]

Also known as: UFO

Specifications

Movement
Solar
Case Material
Titanium
Case Width
41mm
Case Thickness
14.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1976

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