Seiko Cal. 3897 - 418

The Seiko 3897-418 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-fb16e6b31ec9]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1974

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