Seiko Cal. 3870 - 827

This Solar model from 1975 features a 46mm PVD Black case. Powered by the 3870 caliber with 29j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-6df8de4b9551]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1975

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