Seiko Cal. 6645 - 271

Seiko 6645-271

This Spring Drive model from 1990 features a 46mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-374d1d1d4480]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1990

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seikata-wm-374d1d1d4480