Seiko Cal. 3872 - 647

The 3872-647 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3872 caliber with 36j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-275ad04dc4f3]

Also known as: Panda, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1990

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