Seiko Cal. 6642 - 654

Released in 1974, the Cal. 6642 with design code 654 was part of Seiko's domestic market collection. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-73dae3fe114e]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

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