Seiko Cal. 5657 - 318

This Solar model from 1980 features a 42mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-b55306b2da4d]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1980

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