Seiko Cal. 7028 - 410

This Spring Drive model from 1965 features a 37mm Titanium case. Powered by the 7028 caliber with 31j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-37f25e6d1f8d]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1965

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