Seiko Cal. 7178 - 434

The Seiko 7178-434 represents an important milestone in Seiko's 1991 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-1e30a3b35f4d]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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