Seiko Cal. 0731 - 122

The 0731-122 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0731 caliber with 32j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-a073773e0585]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1983

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