Seiko Cal. 3878 - 660

This Spring Drive model from 1996 features a 40mm Gold-Plated case. Powered by the 3878 caliber with 35j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-936675ef8987]

Also known as: Sumo, Panda

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1996

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