Seiko Cal. 3897 - 632

The Seiko 3897-632 represents an important milestone in Seiko's 1982 lineup. With its 20mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-6b0a9f944516]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1982

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