Seiko Cal. 5641 - 556

Seiko 5641-556

The 5641-556 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-7f21fd274384]

Also known as: Panda, Baby Tuna

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
41mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Green
Jewels
17j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1975

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