Seiko Cal. 5618 - 978

The 5618-978 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5618 caliber with 27j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-b6bdfc3aef2d]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1998

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