Seiko Cal. 6647 - 143

The 6647-143 is a sought-after Quartz piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-40398144bc24]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1976

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