Seiko Cal. 4441 - 154

The 4441-154 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4441 caliber with 31j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-2b64a053de75]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1992

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