Seiko Cal. 6639 - 818

The 6639-818 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-fa92af62f5a4]

Also known as: Pogue, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1985

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