Seiko Cal. 4487 - 370

Released in 1975, the Cal. 4487 with design code 370 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-69ed5bd773f1]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1975

Related Models

• Seiko 6237-835
• Seiko 7099-335
• Seiko 0799-604
• Seiko 4465-737
• Seiko 7031-126
• Seiko 6239-897
• Seiko 6346-443
• Seiko 3858-465
• Seiko 4416-788
• Seiko 7080-771
• Seiko 3826-582
• Seiko 6273-550