Seiko Cal. 4427 - 429

This Quartz model from 1970 features a 39mm Stainless Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-bc0e850fddf4]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

18j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1970

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