Seiko Cal. 0731 - 366

Seiko 0731-366

The 0731-366 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-c07b8993ae6e]

Also known as: World Timer, Crown

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
42mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
36j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1968

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