Seiko Cal. 0728 - 607

The Seiko 0728-607 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-35d593562211]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1990

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