Seiko Cal. 3883 - 240

Seiko 3883-240

The 3883-240 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ba9f8c84a866]

Also known as: Sumo, World Timer

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
13.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1965

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