Seiko Cal. 3873 - 763

The 3873-763 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-63dd4cdbfd20]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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