Seiko Cal. 3864 - 637

The Seiko 3864-637 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-532d53d1ab14]

Also known as: Panda, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1997

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