Seiko Cal. 4491 - 915

The Seiko 4491-915 represents an important milestone in Seiko's 1988 lineup. Powered by the 4491 caliber with 26j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-6faf871aecce]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1988

Related Models

• Seiko 4519-548
• Seiko 6190-197
• Seiko 6196-637
• Seiko 0773-311
• Seiko 4448-976
• Seiko 4528-644
• Seiko 0741-364
• Seiko 6684-385
• Seiko 6194-608
• Seiko 4597-990
• Seiko 5697-118
• Seiko 4551-916