Seiko Cal. 7197 - 903

The 7197-903 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7197 caliber with 26j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-d821059279cb]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1979

Related Models

• Seiko 5643-811
• Seiko 0720-127
• Seiko 5614-647
• Seiko 0775-176
• Seiko 5635-207
• Seiko 7015-251
• Seiko 5246-184
• Seiko 4433-748
• Seiko 7191-755
• Seiko 5291-979
• Seiko 7015-543
• Seiko 5635-107