Seiko Cal. 5641 - 676

Seiko 5641-676

The 5641-676 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5641 caliber with 29j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-1963f659f814]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
13.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
130m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1987

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seikata-wm-1963f659f814