Seiko Cal. 4470 - 990

The Seiko 4470-990 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-082595d04dff]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

28j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1981

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