Seiko Cal. 6397 - 181

The 6397-181 is a sought-after Automatic piece from Seiko's golden era. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1da5b13233ae]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1973

Related Models

• Seiko 6251-223
• Seiko 6384-987
• Seiko 4430-955
• Seiko 4484-951
• Seiko 6658-729
• Seiko 6649-433
• Seiko 6615-851
• Seiko 7159-253
• Seiko 6135-600
• Seiko 7179-240
• Seiko 6671-220
• Seiko 7082-903