Seiko Cal. 5638 - 786

The 5638-786 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-f9793312eec2]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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