Seiko Cal. 6188 - 381

The Seiko 6188-381 represents an important milestone in Seiko's 1973 lineup. It features a Champagne dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-03bf22406ef1]

Also known as: Tuna, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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