Seiko Cal. 5686 - 640

The 5686-640 is a sought-after Solar piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-43ee1ddecc72]

Also known as: Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1995

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