Seiko Cal. 6658 - 712

The Seiko 6658-712 represents an important milestone in Seiko's 1995 lineup. Powered by the 6658 caliber with 17j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-f3bd1339500b]

Also known as: UFO, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1995

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