Seiko Cal. 3878 - 821

The 3878-821 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3878 caliber with 25j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-d2c485aea3ef]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1988

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