Seiko Cal. 6641 - 621

Seiko 6641-621

This Automatic model from 1985 features a 38mm Two-Tone case. With its 22mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-0a1e4aa7a2d3]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
13.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1985

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