Seiko Cal. 7131 - 978

The 7131-978 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7131 caliber with 35j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-c5db491e1f52]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1993

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