Seiko Cal. 7161 - 634

The 7161-634 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7161 caliber with 26j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-9403e47c2ca3]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1975

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