Seiko Cal. 4441 - 861

This Quartz model from 1977 features a 46mm PVD Black case. It features a Black dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-743fe48013fe]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1977

Related Models

• Seiko 4452-959
• Seiko 6633-993
• Seiko 4481-430
• Seiko 7185-710
• Seiko 4511-494
• Seiko 6367-626
• Seiko 6349-721
• Seiko 0729-468
• Seiko 5670-482
• Seiko 6665-113
• Seiko 0787-899
• Seiko 6646-707