Seiko Cal. 7122 - 522

This Spring Drive model from 1970 features a 37mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-c2ae7c54c1c8]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1970

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