Seiko Cal. 6156 - 291

The 6156-291 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6156 caliber with 33j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-d71d2ec8a1d5]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

Related Models

• Seiko 6297-376
• Seiko 6337-830
• Seiko 3899-354
• Seiko 4536-988
• Seiko 4560-290
• Seiko 6120-622
• Seiko 4554-168
• Seiko 4550-786
• Seiko 6696-667
• Seiko 6371-690
• Seiko 0762-733
• Seiko 6290-785