Seiko Cal. 6648 - 561

The Seiko 6648-561 represents an important milestone in Seiko's 1972 lineup. It features a Champagne dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-42c1360cc3b1]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

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