Seiko Cal. 6648 - 843

The Seiko 6648-843 represents an important milestone in Seiko's 1986 lineup. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-481bc9f86404]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1986

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