Seiko Cal. 7164 - 838

This Spring Drive model from 1986 features a 34mm Two-Tone case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-3ff4800e0c5f]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1986

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