Seiko Cal. 6161 - 520

The 6161-520 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6161 caliber with 27j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-4131bea77ef2]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1983

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