Seiko Cal. 4445 - 681

Released in 1996, the Cal. 4445 with design code 681 was part of Seiko's domestic market collection. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-798e8bc8fa9e]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1996

Related Models

• Seiko 4521-709
• Seiko 6245-319
• Seiko 5621-775
• Seiko 6232-314
• Seiko 6161-874
• Seiko 4540-373
• Seiko 5665-880
• Seiko 5658-196
• Seiko 5633-985
• Seiko 5669-414
• Seiko 7132-926
• Seiko 4446-515