Seiko Cal. 7183 - 940

The 7183-940 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-6922e78a181d]

Also known as: Shogun, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1971

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