Seiko Cal. 4478 - 632

The Seiko 4478-632 represents an important milestone in Seiko's 1967 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-54ba636d3a8c]

Also known as: Tuna, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1967

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