Seiko Cal. 3820 - 497

This Spring Drive model from 1999 features a 45mm Two-Tone case. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-f0726070bc8b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1999

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