Seiko Cal. 6661 - 639

This Hand-Winding model from 1977 features a 43mm PVD Black case. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-fcead18fdc88]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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