Seiko Cal. 5670 - 648

Seiko 5670-648

The Seiko 5670-648 represents an important milestone in Seiko's 1978 lineup. Powered by the 5670 caliber with 30j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-ee94a7e3c42e]

Also known as: Tuna, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1978

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