Seiko Cal. 4488 - 691

The Seiko 4488-691 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-1ccc217b0dc9]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1968

Related Models

• Seiko 3812-781
• Seiko 6175-376
• Seiko 0773-445
• Seiko 0759-583
• Seiko 0713-622
• Seiko 6659-786
• Seiko 7147-628
• Seiko 0798-210
• Seiko 5620-897
• Seiko 5226-184
• Seiko 7177-284
• Seiko 6388-559