Seiko Cal. 6392 - 720

The Seiko 6392-720 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-33269ac00059]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1976

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