Seiko Cal. 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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