Seiko Cal. 7031 - 366

The 7031-366 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-79370629240d]

Also known as: Turtle

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1968

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