Seiko Cal. 6655 - 461

The Seiko 6655-461 represents an important milestone in Seiko's 1980 lineup. Powered by the 6655 caliber with 29j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-cde4187fc24b]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1980

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