Seiko Cal. 3887 - 773

The Seiko 3887-773 represents an important milestone in Seiko's 1972 lineup. Powered by the 3887 caliber with 32j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-855c510cef82]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1972

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