Seiko Cal. 3836 - 659

This Spring Drive model from 1968 features a 40mm Hardlex-Coated Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-c4cb4345da77]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1968

Related Models

• Seiko 7174-991
• Seiko 0711-576
• Seiko 4498-419
• Seiko 5678-719
• Seiko 3884-994
• Seiko 6627-203
• Seiko 6659-917
• Seiko 7068-531
• Seiko 7064-757
• Seiko 4436-358
• Seiko 4420-481
• Seiko 6337-200