Seiko Cal. 3861 - 212

This Automatic model from 1968 features a 36mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-043e05510b3e]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1968

Related Models

• Seiko 6226-391
• Seiko 4423-158
• Seiko 7142-633
• Seiko 5269-762
• Seiko 5245-232
• Seiko 4419-344
• Seiko 0775-468
• Seiko 4568-211
• Seiko 6347-627
• Seiko 6360-218
• Seiko 4452-476
• Seiko 7021-675