Seiko Cal. 6655 - 337

The Seiko 6655-337 represents an important milestone in Seiko's 1982 lineup. Powered by the 6655 caliber with 34j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-18f690fa1001]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1982

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