Seiko Cal. 6397 - 630

Seiko 6397-630

The 6397-630 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6397 caliber with 21j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-bd33a7ee5dbf]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
White
Jewels
21j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1994

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