Seiko Cal. 3877 - 721

The 3877-721 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3877 caliber with 33j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-5b1f3f030c86]

Also known as: Panda

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1982

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