Seiko Cal. 5610 - 776

Seiko 5610-776

The 5610-776 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5610 caliber with 26j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-72983da7efcb]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
Black
Jewels
26j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1978

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