Seiko Cal. 6611 - 731

Seiko 6611-731

The 6611-731 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6611 caliber with 26j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-e6f809b84d37]

Also known as: UFO, Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
26j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1974

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