Seiko Cal. 5270 - 397

The Seiko 5270-397 represents an important milestone in Seiko's 1987 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-5bb55f99a715]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1987

Related Models

• Seiko 5274-155
• Seiko 5638-553
• Seiko 7098-710
• Seiko 6617-402
• Seiko 0786-412
• Seiko 3853-597
• Seiko 7048-321
• Seiko 3851-266
• Seiko 6612-645
• Seiko 7131-663
• Seiko 5699-684
• Seiko 5627-923