Seiko Cal. 0728 - 502

The 0728-502 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-fbd96baae691]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1967

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