Seiko Cal. 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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