Seiko Cal. 5685 - 183

Seiko 5685-183

The Seiko 5685-183 represents an important milestone in Seiko's 1977 lineup. Powered by the 5685 caliber with 36j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-16aa61d67143]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
13.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Champagne
Jewels
36j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1977

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seikata-wm-16aa61d67143