Seiko Cal. 3818 - 687

This Quartz model from 1976 features a 44mm Two-Tone case. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-a0b0fd9257b8]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1976

Related Models

• Seiko 6267-605
• Seiko 5238-959
• Seiko 5260-405
• Seiko 7131-755
• Seiko 5243-465
• Seiko 6289-117
• Seiko 5270-297
• Seiko 7085-160
• Seiko 6619-453
• Seiko 0786-111
• Seiko 6195-474
• Seiko 5686-753