Seiko Cal. 3820 - 365

This Spring Drive model from 1998 features a 41mm Two-Tone case. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-49654b1108a7]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

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