Seiko Cal. 6156 - 326

The 6156-326 is a sought-after Quartz piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-6a01b5be4fa4]

Also known as: Helmet, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1965

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