Seiko Cal. 7178 - 723

The Seiko 7178-723 represents an important milestone in Seiko's 1968 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-50a0da0044a3]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1968

Related Models

• Seiko 6394-328
• Seiko 3840-152
• Seiko 6167-421
• Seiko 3881-173
• Seiko 6210-439
• Seiko 6644-814
• Seiko 5671-961
• Seiko 5277-988
• Seiko 3854-899
• Seiko 6247-457
• Seiko 6669-850
• Seiko 5268-611