Seiko Cal. 7031 - 665

The 7031-665 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-15891b79f5cd]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1978

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