Seiko Cal. 6399 - 881

The Seiko 6399-881 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-64a63ef6d5a7]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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