Seiko Cal. 0780 - 507

This Spring Drive model from 1979 features a 37mm Titanium case. Powered by the 0780 caliber with 30j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-174ca4ed7566]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1979

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