Seiko Cal. 4441 - 903

The Seiko 4441-903 represents an important milestone in Seiko's 1991 lineup. Powered by the 4441 caliber with 36j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-5ff776a4134d]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1991

Related Models

• Seiko 6169-392
• Seiko 6121-496
• Seiko 0774-978
• Seiko 6386-657
• Seiko 4462-927
• Seiko 4549-149
• Seiko 6167-233
• Seiko 7016-146
• Seiko 7070-616
• Seiko 6361-324
• Seiko 4418-929
• Seiko 7153-391