Seiko Cal. 5261 - 639

The 5261-639 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5261 caliber with 21j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-c61e7e430969]

Also known as: Monster, Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1998

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