Seiko Cal. 6658 - 512

The Seiko 6658-512 represents an important milestone in Seiko's 1998 lineup. Powered by the 6658 caliber with 22j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-828f4b237fb2]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1998

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