Seiko Cal. 3870 - 957

The Seiko 3870-957 represents an important milestone in Seiko's 1996 lineup. Powered by the 3870 caliber with 20j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-02013e7df783]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1996

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