Seiko Cal. 3873 - 106

The Seiko 3873-106 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-994f87751e0d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1968

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