Seiko Cal. 6131 - 297

This Spring Drive model from 1991 features a 44mm Gold-Plated case. Powered by the 6131 caliber with 35j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-6cf91f7c11a6]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1991

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