Seiko Cal. 4477 - 437

The Seiko 4477-437 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-9304e5d40d5b]

Also known as: Silverwave, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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