Seiko Cal. 6157 - 991

Seiko 6157-991

The 6157-991 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-4f5a686d2406]

Also known as: Rally, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
44mm
Case Thickness
11.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1966

Related Models

seikata-wm-4f5a686d2406