Seiko Cal. 0770 - 358

The 0770-358 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0770 caliber with 25j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-1644a0b3dd6d]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1967

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