Seiko Cal. 7040 - 681

Seiko 7040-681

The 7040-681 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-d427a89e4bfa]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
14.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
170m
Dial Color
White
Jewels
21j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1966

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