Seiko Cal. 5637 - 214

Seiko 5637-214

The 5637-214 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5637 caliber with 36j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-49d2233ff9d5]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
39mm
Case Thickness
15.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1969

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