Seiko Cal. 7178 - 757

The Seiko 7178-757 represents an important milestone in Seiko's 1974 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-53caddfac081]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1974

Related Models

• Seiko 0792-580
• Seiko 6161-393
• Seiko 6676-371
• Seiko 3879-991
• Seiko 6273-940
• Seiko 7029-320
• Seiko 7175-682
• Seiko 5269-160
• Seiko 5638-608
• Seiko 6387-546
• Seiko 6187-249
• Seiko 5622-606