Seiko Cal. 6654 - 672

Released in 1971, the Cal. 6654 with design code 672 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-e6fb3ddc1c0f]

Also known as: Turtle, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1971

Related Models

• Seiko 4435-498
• Seiko 7067-200
• Seiko 5681-143
• Seiko 6373-867
• Seiko 3879-794
• Seiko 0733-894
• Seiko 7114-192
• Seiko 4463-155
• Seiko 6146-623
• Seiko 6124-710
• Seiko 3847-980
• Seiko 6691-512