Seiko Cal. 5690 - 475

The 5690-475 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-c201069e3e43]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1977

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