Seiko Cal. 7121 - 178

The 7121-178 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7121 caliber with 17j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-8108d0362af9]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1989

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