Seiko Cal. 3887 - 284

This Solar model from 1985 features a 39mm Titanium case. Powered by the 3887 caliber with 36j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-83c38e883bf6]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1985

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