Seiko Cal. 3893 - 721

The Seiko 3893-721 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-c149b689ff58]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1969

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