Seiko Cal. 6634 - 535

The Seiko 6634-535 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-6863882251ba]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1979

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