Seiko Cal. 5237 - 229

The 5237-229 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5237 caliber with 33j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-3d44c0317dea]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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