Seiko Cal. 6157 - 490

The Seiko 6157-490 represents an important milestone in Seiko's 1978 lineup. Powered by the 6157 caliber with 17j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-c604882603cf]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1978

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