Seiko Cal. 4476 - 556

The Seiko 4476-556 represents an important milestone in Seiko's 1981 lineup. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-af291f748fbd]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1981

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