Seiko Cal. 3865 - 686

This Automatic model from 1978 features a 35mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-ba67d02aa507]

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1978

Related Models

• Seiko 6374-275
• Seiko 5675-339
• Seiko 6624-409
• Seiko 3890-833
• Seiko 4470-558
• Seiko 6651-831
• Seiko 7054-861
• Seiko 7149-373
• Seiko 4564-750
• Seiko 4417-954
• Seiko 6148-208
• Seiko 7173-461