Seiko Cal. 7157 - 903

This Quartz model from 1985 features a 44mm Hardlex-Coated Steel case. Powered by the 7157 caliber with 21j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-80f483e0a85d]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1985

Related Models

• Seiko 7183-655
• Seiko 7017-484
• Seiko 6354-707
• Seiko 7112-848
• Seiko 4584-892
• Seiko 0737-226
• Seiko 5260-363
• Seiko 7151-680
• Seiko 0718-891
• Seiko 6322-897
• Seiko 6688-128
• Seiko 6692-189