Seiko Cal. 6641 - 935

Released in 1978, the Cal. 6641 with design code 935 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-34fec0beebfb]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1978

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