Seiko Cal. 6154 - 787

The 6154-787 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6154 caliber with 25j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-b622bf292f99]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1999

Related Models

• Seiko 3814-855
• Seiko 6121-385
• Seiko 6692-249
• Seiko 6170-782
• Seiko 5261-110
• Seiko 4464-207
• Seiko 5255-709
• Seiko 4513-869
• Seiko 0742-892
• Seiko 7117-446
• Seiko 6681-323
• Seiko 6617-107