Seiko Cal. 3817 - 427

Seiko 3817-427

The 3817-427 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-717e6843b144]

Also known as: Navigator, Flighty

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1980

Related Models

seikata-wm-717e6843b144