Seiko Cal. 3897 - 399

The 3897-399 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-e620b3ebecea]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1976

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