Seiko Cal. 6157 - 183

Released in 1995, the Cal. 6157 with design code 183 was part of Seiko's domestic market collection. Powered by the 6157 caliber with 31j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-a0f017bba2ce]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1995

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