Seiko Cal. 4541 - 278

The 4541-278 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4541 caliber with 28j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-177c75471c09]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1990

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