Seiko Cal. 6656 - 513

The Seiko 6656-513 represents an important milestone in Seiko's 1991 lineup. Powered by the 6656 caliber with 25j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-2fb6f4106129]

Also known as: Tuna, Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1991

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