Seiko Cal. 7056 - 437

Seiko 7056-437

The 7056-437 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-15c506144df1]

Also known as: Sumo, Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
13.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
Green
Jewels
30j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1987

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