Seiko Cal. 0711 - 438

Seiko 0711-438

The 0711-438 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a528edb590c4]

Also known as: Sea Horse, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1975

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