Seiko Cal. 3857 - 632

The Seiko 3857-632 represents an important milestone in Seiko's 1998 lineup. With its 22mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-e73dce43f9bc]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1998

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