Seiko Cal. 0740 - 310

The Seiko 0740-310 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-fc1dfed36360]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1987

Related Models

• Seiko 5698-366
• Seiko 6688-247
• Seiko 5247-241
• Seiko 6624-560
• Seiko 5239-342
• Seiko 3849-761
• Seiko 6121-246
• Seiko 6680-114
• Seiko 4434-790
• Seiko 3837-556
• Seiko 3851-107
• Seiko 6139-797