Seiko Cal. 6321 - 157

The Seiko 6321-157 represents an important milestone in Seiko's 1975 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-bd95c1228304]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1975

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