Seiko Cal. 5638 - 170

The 5638-170 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-83f77c985359]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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