Seiko Cal. 6140 - 691

The Seiko 6140-691 represents an important milestone in Seiko's 1983 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-2b8447bc1e32]

Also known as: Bellmatic, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1983

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