Seiko Cal. 7031 - 822

The 7031-822 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-9b62172e88a4]

Also known as: Tuna, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1988

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