Seiko Cal. 4420 - 736

The Seiko 4420-736 represents an important milestone in Seiko's 1978 lineup. It features a Champagne dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-1645552d8895]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1978

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