Seiko Cal. 4566 - 640

Seiko 4566-640

This Automatic model from 1994 features a 46mm Stainless Steel case. Powered by the 4566 caliber with 31j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-2eac000a2561]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
15.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Black
Jewels
31j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1994

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seikata-wm-2eac000a2561