Seiko Cal. 6161 - 556

Seiko 6161-556

This Hand-Winding model from 1970 features a 40mm Stainless Steel case. With its 20mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-17718f029647]

Also known as: Baby Tuna, Emperor

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
10.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1970

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seikata-wm-17718f029647