Seiko Cal. 4428 - 926

Released in 1977, the Cal. 4428 with design code 926 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-1b2633ac5368]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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