Seiko Cal. 4568 - 154

The Seiko 4568-154 represents an important milestone in Seiko's 1978 lineup. Powered by the 4568 caliber with 30j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-c7a0ffc99f6b]

Also known as: Tuna, Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

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