Seiko Cal. 3870 - 316

The 3870-316 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3870 caliber with 30j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-8181a547936a]

Also known as: Silverwave, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1991

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