Seiko Cal. 3887 - 172

The Seiko 3887-172 represents an important milestone in Seiko's 1997 lineup. Powered by the 3887 caliber with 36j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-1e6fba225c56]

Also known as: Tuna, Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1997

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