Seiko Cal. 6397 - 770

Seiko 6397-770

The 6397-770 is a sought-after Solar piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4f57b7a8463c]

Also known as: Bullhead, Rally

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
46mm
Case Thickness
11.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Green
Jewels
32j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1976

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