Seiko Cal. 6615 - 380

Seiko 6615-380

Released in 1969, the Cal. 6615 with design code 380 was part of Seiko's domestic market collection. Powered by the 6615 caliber with 28j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-d50f9537d0af]

Also known as: UFO, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1969

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