Seiko Cal. 3878 - 346

The Seiko 3878-346 represents an important milestone in Seiko's 1970 lineup. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-bb0522892a7b]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1970

Related Models

• Seiko 5671-939
• Seiko 4484-424
• Seiko 7188-877
• Seiko 6645-548
• Seiko 7093-374
• Seiko 3855-852
• Seiko 4561-978
• Seiko 0711-290
• Seiko 4547-927
• Seiko 0744-215
• Seiko 6628-719
• Seiko 6357-855