Seiko Cal. 3889 - 207

This Automatic model from 1975 features a 40mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-822247c011fd]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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