Seiko Cal. 3880 - 740

This Automatic model from 1978 features a 39mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-3b40ea8759d7]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1978

Related Models

• Seiko 6674-586
• Seiko 6151-609
• Seiko 6152-945
• Seiko 5630-449
• Seiko 6213-575
• Seiko 6664-480
• Seiko 7075-340
• Seiko 0712-745
• Seiko 7046-504
• Seiko 5279-273
• Seiko 6111-955
• Seiko 7123-577