Seiko Cal. 6641 - 853

The Seiko 6641-853 represents an important milestone in Seiko's 1979 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-742fee738fba]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1979

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