Seiko Cal. 6164 - 100

This Spring Drive model from 1995 features a 38mm PVD Black case. With its 21mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-7aca796b58de]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1995

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