Seiko Cal. 4541 - 331

The Seiko 4541-331 represents an important milestone in Seiko's 1985 lineup. Powered by the 4541 caliber with 25j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-7a037e4ef087]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1985

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