Seiko Cal. 4478 - 283

The Seiko 4478-283 represents an important milestone in Seiko's 1991 lineup. Powered by the 4478 caliber with 36j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-2add91101f33]

Also known as: Bullhead, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1991

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