Seiko Cal. 5671 - 678

The Seiko 5671-678 represents an important milestone in Seiko's 1999 lineup. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-ed87656ab743]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1999

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