Seiko Cal. 4581 - 757

The Seiko 4581-757 represents an important milestone in Seiko's 1995 lineup. Powered by the 4581 caliber with 33j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-0f5855b232dd]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1995

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