Seiko Cal. 3870 - 125

The 3870-125 is a sought-after Solar piece from Seiko's golden era. Powered by the 3870 caliber with 34j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-455b2c17271f]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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