Seiko Cal. 6186 - 770

The Seiko 6186-770 represents an important milestone in Seiko's 1972 lineup. Powered by the 6186 caliber with 25j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-94ae471a4689]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1972

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