Seiko Cal. 6613 - 831

This Automatic model from 1984 features a 42mm Titanium case. With its 21mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-2f5921d2b4b2]

Also known as: Panda, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1984

Related Models

• Seiko 7183-807
• Seiko 0785-177
• Seiko 7039-118
• Seiko 6622-270
• Seiko 4447-734
• Seiko 3850-937
• Seiko 5681-193
• Seiko 4464-981
• Seiko 6194-238
• Seiko 0780-836
• Seiko 5687-768
• Seiko 7111-991