Seiko Cal. 0770 - 545

The Seiko 0770-545 represents an important milestone in Seiko's 1988 lineup. Powered by the 0770 caliber with 36j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-95a67544fc86]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1988

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