Seiko Cal. 7177 - 745

The Seiko 7177-745 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-099eee7638da]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1967

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