Seiko Cal. 0722 - 745

The 0722-745 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-85810b19736a]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1982

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