Seiko Cal. 7156 - 689

The 7156-689 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7156 caliber with 31j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-e029e96bba87]

Also known as: Pogue, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1988

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