Seiko Cal. 3872 - 715

The Seiko 3872-715 represents an important milestone in Seiko's 1989 lineup. Powered by the 3872 caliber with 32j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-d9ce03ba38a3]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1989

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