Seiko Cal. 6140 - 520

Seiko 6140-520

The 6140-520 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6140 caliber with 18j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-3c1becbe1281]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
60m
Dial Color
Navy
Jewels
18j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1967

Related Models

seikata-wm-3c1becbe1281