Seiko Cal. 7150 - 638

The 7150-638 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7150 caliber with 36j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-3df8f45058e2]

Also known as: Panda, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1982

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