Seiko Cal. 6610 - 316

The Seiko 6610-316 represents an important milestone in Seiko's 1990 lineup. Powered by the 6610 caliber with 27j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-b8cbb882be1c]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1990

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