Seiko Cal. 0771 - 428

This Spring Drive model from 1996 features a 38mm Two-Tone case. Powered by the 0771 caliber with 33j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-3af416e57219]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1996

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