Seiko Cal. 6157 - 687

The 6157-687 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6157 caliber with 21j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-ee34310df350]

Also known as: Monster, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1984

Related Models

• Seiko 3821-908
• Seiko 6352-413
• Seiko 0750-946
• Seiko 4414-951
• Seiko 7154-466
• Seiko 5663-450
• Seiko 4594-241
• Seiko 4475-161
• Seiko 6255-370
• Seiko 7162-129
• Seiko 6191-637
• Seiko 7089-398