Seiko Cal. 6140 - 255

Seiko 6140-255

The 6140-255 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6140 caliber with 30j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-48bdd29c4a5e]

Also known as: Helmet, Rally

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Black
Jewels
30j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1989

Related Models

seikata-wm-48bdd29c4a5e