Seiko Cal. 7031 - 145

The Seiko 7031-145 represents an important milestone in Seiko's 1970 lineup. Powered by the 7031 caliber with 32j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-3fb84367c42a]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1970

Related Models

• Seiko 6280-323
• Seiko 0771-274
• Seiko 7110-662
• Seiko 4512-581
• Seiko 3880-652
• Seiko 6134-437
• Seiko 4489-962
• Seiko 3895-148
• Seiko 4579-820
• Seiko 4421-246
• Seiko 5264-565
• Seiko 6290-422