Seiko Cal. 4437 - 570

The 4437-570 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4437 caliber with 33j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-edebbc3bfe0d]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1996

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