Seiko Cal. 0789 - 786

This Spring Drive model from 1980 features a 40mm Titanium case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-246eeac9fa23]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1980

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