Seiko Cal. 7120 - 371

The 7120-371 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-2997b3eda583]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1972

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