Seiko Cal. 6610 - 674

The 6610-674 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6610 caliber with 29j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-119f4d800873]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1990

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