Seiko Cal. 0770 - 537

The Seiko 0770-537 represents an important milestone in Seiko's 1975 lineup. Powered by the 0770 caliber with 29j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-12fbf75e3365]

Also known as: Samurai, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1975

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