Seiko Cal. 6313 - 644

Seiko 6313-644

This Quartz model from 1990 features a 42mm Two-Tone case. With its 22mm lug width and 12.9mm profile, it sits comfortably on most wrists. [seikata-wm-26b5901ec17c]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
42mm
Case Thickness
12.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1990

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seikata-wm-26b5901ec17c