Seiko Cal. 5671 - 148

The Seiko 5671-148 represents an important milestone in Seiko's 1990 lineup. Powered by the 5671 caliber with 31j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-0ff9ca81543c]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1990

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