Seiko Cal. 4591 - 780

Seiko 4591-780

The 4591-780 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-63a5d12d9e23]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
8.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
70m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1982

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