Seiko Cal. 5611 - 156

The 5611-156 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5611 caliber with 31j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-3a61453a5c7a]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1967

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