Seiko Cal. 3866 - 350

The 3866-350 is a sought-after Solar piece from Seiko's golden era. Powered by the 3866 caliber with 30j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-5960561b62d5]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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