Seiko Cal. 4470 - 556

The Seiko 4470-556 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-944bafc09a33]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1976

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