Seiko Cal. 3872 - 654

This Solar model from 1974 features a 36mm Stainless Steel case. Powered by the 3872 caliber with 24j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-f8a74d61ea7b]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1974

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