Seiko Cal. 3870 - 464

The 3870-464 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3870 caliber with 34j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-21eefc228ce4]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1967

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