Seiko Cal. 6648 - 276

Seiko 6648-276

This Automatic model from 1988 features a 37mm Stainless Steel case. Powered by the 6648 caliber with 23j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-557e22d10a0c]

Also known as: Tuna, Crown

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
12.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
180m
Dial Color
Cream
Jewels
23j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1988

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