Seiko Cal. 4478 - 727

The 4478-727 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-7230b25d0fdf]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1991

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