Seiko Cal. 4541 - 648

The 4541-648 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4541 caliber with 35j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-c1a05ae6d4f9]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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