Seiko Cal. 7031 - 440

Seiko 7031-440

The 7031-440 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7031 caliber with 28j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-b756076bbb63]

Also known as: Sea Horse

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
35mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
170m
Dial Color
Black
Jewels
28j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1983

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