Seiko Cal. 6155 - 371

The 6155-371 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6155 caliber with 25j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-e862c5de7b10]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1999

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