Seiko Cal. 6137 - 720

The 6137-720 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6137 caliber with 25j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-ffa1729ce035]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1995

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