Seiko Cal. 6131 - 906

Seiko 6131-906

This Hand-Winding model from 1998 features a 41mm PVD Black case. With its 22mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-a2fecf8f49ef]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
14.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1998

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