Seiko Cal. 3878 - 729

This Solar model from 1987 features a 40mm Gold-Plated case. Powered by the 3878 caliber with 28j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-668c4b2518db]

Also known as: Monster, Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1987

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