Seiko Cal. 6639 - 991

This Hand-Winding model from 1987 features a 34mm Titanium case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-c102507814ee]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1987

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