Seiko Cal. 4471 - 728

Seiko 4471-728

The 4471-728 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-89a2c57bafe6]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
8.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Black
Jewels
23j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1976

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seikata-wm-89a2c57bafe6