Seiko Cal. 5671 - 118

The 5671-118 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5671 caliber with 25j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-c5dd58a01fe1]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1980

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