Seiko Cal. 7136 - 591

The 7136-591 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7136 caliber with 25j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-a7b9ecf6ba3a]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1998

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