Seiko Cal. 4438 - 128

Released in 1983, the Cal. 4438 with design code 128 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-dd300fd48f1c]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1983

Related Models

• Seiko 4553-584
• Seiko 6237-569
• Seiko 5288-408
• Seiko 3833-897
• Seiko 6365-310
• Seiko 6221-500
• Seiko 7045-956
• Seiko 3872-192
• Seiko 5233-149
• Seiko 6161-743
• Seiko 5259-915
• Seiko 5682-157