Seiko Cal. 6637 - 780

The 6637-780 is a sought-after Kinetic piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-ad276c256dff]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1998

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