Seiko Cal. 0730 - 857

The Seiko 0730-857 represents an important milestone in Seiko's 1989 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a361785b87e7]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1989

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