Seiko Cal. 7178 - 727

This Hand-Winding model from 1992 features a 39mm Titanium case. It features a Champagne dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-74ba44adead4]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1992

Related Models

• Seiko 6122-562
• Seiko 0787-767
• Seiko 6610-782
• Seiko 5288-929
• Seiko 6281-867
• Seiko 6140-448
• Seiko 6340-651
• Seiko 6364-696
• Seiko 6261-329
• Seiko 4519-629
• Seiko 6676-396
• Seiko 6264-130