Seiko Cal. 6654 - 598

The 6654-598 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6654 caliber with 22j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-04cd0a4e1d76]

Also known as: Helmet, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1989

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