Seiko Cal. 3854 - 817

The Seiko 3854-817 represents an important milestone in Seiko's 1969 lineup. Powered by the 3854 caliber with 33j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-dc9816fb2cc1]

Also known as: Sumo, Pogue

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1969

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