Seiko Cal. 4438 - 542

The Seiko 4438-542 represents an important milestone in Seiko's 1993 lineup. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-5a17ad1ef4af]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1993

Related Models

• Seiko 3822-861
• Seiko 4511-244
• Seiko 6282-951
• Seiko 6685-677
• Seiko 7198-816
• Seiko 4540-367
• Seiko 7150-359
• Seiko 4414-939
• Seiko 4517-731
• Seiko 5666-167
• Seiko 3880-136
• Seiko 6398-561