Seiko Cal. 6613 - 421

This Solar model from 1975 features a 37mm PVD Black case. Powered by the 6613 caliber with 21j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-207ea03d0a53]

Also known as: Panda, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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