Seiko Cal. 3818 - 830

The 3818-830 is a sought-after Solar piece from Seiko's golden era. Powered by the 3818 caliber with 27j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-1c6192e31287]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1970

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