Seiko Cal. 0721 - 647

This Solar model from 1979 features a 40mm PVD Black case. Powered by the 0721 caliber with 30j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-190f357ac6ab]

Also known as: Panda, Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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