Seiko Cal. 6159 - 721

The Seiko 6159-721 represents an important milestone in Seiko's 1976 lineup. Powered by the 6159 caliber with 24j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-e229a98c35d0]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

Related Models

• Seiko 6282-499
• Seiko 5611-507
• Seiko 5666-858
• Seiko 6278-316
• Seiko 4543-360
• Seiko 5246-774
• Seiko 3817-490
• Seiko 4539-934
• Seiko 3853-636
• Seiko 4454-450
• Seiko 0789-644
• Seiko 6261-900