Seiko Cal. 4481 - 647

The Seiko 4481-647 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-43e35288679e]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1979

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