Seiko Cal. 6157 - 971

This Automatic model from 1977 features a 38mm PVD Black case. Powered by the 6157 caliber with 35j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-9ee8af4b406f]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

Related Models

• Seiko 6628-259
• Seiko 6366-592
• Seiko 5250-482
• Seiko 0772-427
• Seiko 6645-433
• Seiko 5673-629
• Seiko 3846-183
• Seiko 5211-398
• Seiko 6220-450
• Seiko 4580-106
• Seiko 6642-936
• Seiko 7123-481