Seiko Cal. 6154 - 520

The Seiko 6154-520 represents an important milestone in Seiko's 1968 lineup. Powered by the 6154 caliber with 33j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-38201da13fca]

Also known as: UFO, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1968

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