Seiko Cal. 6645 - 510

Seiko 6645-510

This Spring Drive model from 1982 features a 37mm Stainless Steel case. Powered by the 6645 caliber with 22j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-8340ce0bc6e3]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Navy
Jewels
22j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1982

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seikata-wm-8340ce0bc6e3