Seiko Cal. 4540 - 327

This Quartz model from 1976 features a 40mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-662c6ba4f016]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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