Seiko Cal. 4546 - 152

The Seiko 4546-152 represents an important milestone in Seiko's 1987 lineup. Powered by the 4546 caliber with 17j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-fae399ed0137]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1987

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