Seiko Cal. 6655 - 813

The 6655-813 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6655 caliber with 22j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-b1816bf97b0d]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1989

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