Seiko Cal. 3861 - 569

The Seiko 3861-569 represents an important milestone in Seiko's 1999 lineup. Powered by the 3861 caliber with 34j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-15ae6f4f4d7d]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1999

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