Seiko Cal. 6156 - 999

The 6156-999 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-7caf1d062346]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1973

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