Seiko Cal. 4537 - 448

The 4537-448 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4537 caliber with 18j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-1dac75953192]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1967

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