Seiko Cal. 5684 - 203

Seiko 5684-203

This Automatic model from 1966 features a 40mm Titanium case. Powered by the 5684 caliber with 28j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-aa9562282a6e]

Also known as: Monster, World Timer

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
28j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1966

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