Seiko Cal. 3845 - 666

The Seiko 3845-666 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-0efc0bd6d491]

Also known as: Tuna, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1981

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