Seiko Cal. 5658 - 744

This Spring Drive model from 1978 features a 39mm Titanium case. Powered by the 5658 caliber with 35j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-d48da667d801]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1978

Related Models

• Seiko 6293-434
• Seiko 0751-959
• Seiko 7025-293
• Seiko 6363-164
• Seiko 7191-975
• Seiko 7151-576
• Seiko 7053-102
• Seiko 4414-967
• Seiko 7057-233
• Seiko 6268-218
• Seiko 5641-550
• Seiko 7111-799