Seiko Cal. 6380 - 730

Seiko 6380-730

The 6380-730 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6380 caliber with 31j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-98965edad04a]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1967

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seikata-wm-98965edad04a