Seiko Cal. 3898 - 503

The 3898-503 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3898 caliber with 27j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-6ebe3228520e]

Also known as: Goldfeather, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1965

Related Models

• Seiko 5235-172
• Seiko 6253-169
• Seiko 6158-778
• Seiko 6371-615
• Seiko 5245-629
• Seiko 6670-695
• Seiko 5679-212
• Seiko 6377-520
• Seiko 7085-854
• Seiko 5631-451
• Seiko 4499-902
• Seiko 6638-865