Seiko Cal. 6188 - 740

The 6188-740 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6188 caliber with 35j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-bd190eceeb60]

Also known as: Bellmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1990

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