Seiko Cal. 4438 - 351

This Hand-Winding model from 1977 features a 42mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-3c8789671f2a]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1977

Related Models

• Seiko 4487-192
• Seiko 0728-941
• Seiko 5284-468
• Seiko 0788-389
• Seiko 7164-821
• Seiko 3892-752
• Seiko 0757-112
• Seiko 6385-243
• Seiko 6290-890
• Seiko 4556-269
• Seiko 3855-677
• Seiko 7191-455