Seiko Cal. 5641 - 720

Seiko 5641-720

The 5641-720 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-60f063758c5d]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
11.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
26j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1978

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seikata-wm-60f063758c5d