Seiko Cal. 4455 - 915

The 4455-915 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4455 caliber with 30j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-4d208fc13db4]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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