Seiko Cal. 3820 - 645

This Quartz model from 1991 features a 40mm PVD Black case. Powered by the 3820 caliber with 30j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-d742c42a0930]

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1991

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