Seiko Cal. 7148 - 921

This Automatic model from 1967 features a 46mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-e43ffb678cf3]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1967

Related Models

• Seiko 4525-910
• Seiko 6386-476
• Seiko 0729-788
• Seiko 6298-724
• Seiko 5290-388
• Seiko 6120-557
• Seiko 4468-121
• Seiko 4569-281
• Seiko 6642-683
• Seiko 0787-451
• Seiko 6131-621
• Seiko 3838-155