Seiko Cal. 3840 - 515

The Seiko 3840-515 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-21008c7578b8]

Also known as: Pogue, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1977

Related Models

• Seiko 7091-620
• Seiko 7180-961
• Seiko 7114-151
• Seiko 6346-521
• Seiko 3898-404
• Seiko 6194-970
• Seiko 0744-329
• Seiko 5287-319
• Seiko 4550-120
• Seiko 6665-183
• Seiko 6327-428
• Seiko 6339-341