Seiko Cal. 0728 - 876

The Seiko 0728-876 represents an important milestone in Seiko's 1971 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-87994c20c5f5]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1971

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