Seiko Cal. 4478 - 661

The Seiko 4478-661 represents an important milestone in Seiko's 1965 lineup. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-2af8daeb5914]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1965

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