Seiko Cal. 3840 - 363

This Solar model from 1972 features a 46mm PVD Black case. Powered by the 3840 caliber with 20j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-3753584c2531]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

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