Seiko Cal. 3880 - 872

This Solar model from 1968 features a 43mm PVD Black case. Powered by the 3880 caliber with 30j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-e867a0ddb55b]

Also known as: Bullhead, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1968

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