Seiko Cal. 3872 - 702

This Hand-Winding model from 1987 features a 34mm Titanium case. Powered by the 3872 caliber with 23j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-d93ee8bcab49]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1987

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