Seiko Cal. 3854 - 646

The Seiko 3854-646 represents an important milestone in Seiko's 1981 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-82eb55fef137]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1981

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