Seiko Cal. 3877 - 387

The 3877-387 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3877 caliber with 28j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-7f308c9603ad]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1984

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