Seiko Cal. 4437 - 702

Released in 1991, the Cal. 4437 with design code 702 was part of Seiko's domestic market collection. Powered by the 4437 caliber with 23j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-e041a18901cf]

Also known as: Shogun, UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1991

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