Seiko Cal. 7172 - 680

Released in 1971, the Cal. 7172 with design code 680 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-1c6c98da8dd5]

Also known as: Sumo, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1971

Related Models

• Seiko 6645-535
• Seiko 0716-121
• Seiko 6698-578
• Seiko 6316-297
• Seiko 3862-283
• Seiko 3877-911
• Seiko 0722-690
• Seiko 6227-324
• Seiko 6212-718
• Seiko 3817-712
• Seiko 4466-929
• Seiko 4550-182