Seiko Cal. 0781 - 640

The Seiko 0781-640 represents an important milestone in Seiko's 1988 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-dfc6eb195e67]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1988

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