Seiko Cal. 3887 - 772

The Seiko 3887-772 represents an important milestone in Seiko's 1987 lineup. Powered by the 3887 caliber with 36j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-11bef292d474]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1987

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