Seiko Cal. 7136 - 271

The Seiko 7136-271 represents an important milestone in Seiko's 1969 lineup. Powered by the 7136 caliber with 25j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-814e6f9f9b24]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1969

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