Seiko Cal. 3897 - 816

The Seiko 3897-816 represents an important milestone in Seiko's 1973 lineup. Powered by the 3897 caliber with 24j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-97cd33b5c6b6]

Also known as: Sea Horse, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1973

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