Seiko Cal. 5641 - 540

Seiko 5641-540

This Kinetic model from 1982 features a 45mm Titanium case. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-c1872dcc4577]

Also known as: Tuna, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
45mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
50m
Dial Color
Black
Jewels
26j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1982

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seikata-wm-c1872dcc4577