Seiko Cal. 6634 - 223

This Hand-Winding model from 1985 features a 40mm PVD Black case. Powered by the 6634 caliber with 20j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-622bc8a1342a]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1985

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