Seiko Cal. 0740 - 447

This Solar model from 1972 features a 37mm Two-Tone case. It features a Black dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-b2ec2d695c78]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1972

Related Models

• Seiko 7157-881
• Seiko 6127-464
• Seiko 6383-894
• Seiko 5297-404
• Seiko 6328-463
• Seiko 5280-408
• Seiko 7032-546
• Seiko 6622-497
• Seiko 6124-502
• Seiko 3811-500
• Seiko 4481-387
• Seiko 7089-203