Seiko Cal. 3865 - 889

The Seiko 3865-889 represents an important milestone in Seiko's 1996 lineup. Powered by the 3865 caliber with 21j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-b384aaa28334]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1996

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