Seiko Cal. 3820 - 930

This Hand-Winding model from 1985 features a 45mm Two-Tone case. Powered by the 3820 caliber with 17j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-fc50ab6f9ce3]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1985

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