Seiko Cal. 0728 - 135

This Solar model from 1970 features a 37mm PVD Black case. Powered by the 0728 caliber with 29j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-65e085a9ea5f]

Also known as: Bellmatic, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1970

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