Seiko Cal. 4427 - 160

The 4427-160 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4427 caliber with 35j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-ceff7fb2fcc4]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1987

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