Seiko Cal. 0728 - 140

The 0728-140 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-0f621bf4110a]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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