Seiko Cal. 4487 - 511

The Seiko 4487-511 represents an important milestone in Seiko's 1993 lineup. Powered by the 4487 caliber with 36j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-d66499788b27]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1993

Related Models

• Seiko 7085-673
• Seiko 6651-825
• Seiko 5213-525
• Seiko 6136-930
• Seiko 7166-186
• Seiko 6393-117
• Seiko 6610-728
• Seiko 5277-850
• Seiko 4497-542
• Seiko 6162-598
• Seiko 5695-879
• Seiko 7146-693