Seiko Cal. 6610 - 374

The 6610-374 is a sought-after Solar piece from Seiko's golden era. Powered by the 6610 caliber with 26j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-5b3bf869f8e4]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

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