Seiko Cal. 7140 - 255

The Seiko 7140-255 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5dc1abfdf909]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1981

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