Seiko Cal. 5640 - 292

The 5640-292 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-897bb5faa946]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1997

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