Seiko Cal. 3874 - 340

The Seiko 3874-340 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-0a5a16c4c089]

Also known as: Samurai, Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1968

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