Seiko Cal. 7040 - 389

Seiko 7040-389

The 7040-389 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-f7a73c5f2dd0]

Also known as: UFO, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Cream
Jewels
27j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1973

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