Seiko Cal. 7154 - 158

The 7154-158 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7154 caliber with 36j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-9440450df464]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1978

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