Seiko Cal. 6397 - 689

Seiko 6397-689

The Seiko 6397-689 represents an important milestone in Seiko's 1966 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d8db647444b3]

Also known as: UFO, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1966

Related Models

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